Home / 9,987.27-14,965.36-5,816.98

Finding the Fourth Proportional to 9,987.27, 14,965.36 and 5,816.98

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Solution

The fourth proportional to 9,987.27, 14,965.36 and 5,816.98 is: 8,716.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987.27 : 14,965.36 = 5,816.98 : x
  2. Step 2: Convert to fraction form
    9,987.27/14,965.36 = 5,816.98/x
  3. Step 3: Cross multiply
    9,987.27x = 14,965.36 × 5,816.98
  4. Step 4: Simplify right side
    9,987.27x = 87,053,203.98
  5. Step 5: Solve for x
    x = 87,053,203.98/9,987.27
  6. Step 6: Final answer
    x = 8,716.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.